88 cid hole behind rear cyl on block

Hello i got 02 softail with 88 cid an have small leak (oil) out of hole behind rear cyl down on engine block anyone have any info on that for repair i was told that it was a pry hole for splitting case halves true?? ive looked into it an cant get a good ansewer an is there seals back there??
thanks Todd

If I recall correctly the early TC's had a plug on the trans that was the problem as in your case which has since been done away with. Others said it is sweating . I don't think anyone really knows what the cause is.